[INFO] cloning repository https://github.com/romuald/deschiffres
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/romuald/deschiffres" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromuald%2Fdeschiffres", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromuald%2Fdeschiffres'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21743adccf06c576c31b62633717800115c6eed0
[INFO] checking romuald/deschiffres against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromuald%2Fdeschiffres" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/romuald/deschiffres on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/romuald/deschiffres
[INFO] finished tweaking git repo https://github.com/romuald/deschiffres
[INFO] tweaked toml for git repo https://github.com/romuald/deschiffres written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/romuald/deschiffres already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f66f0ca9dd2e4e0aaa80ca50de28bfc29c2bd8a21d7c7e8e4f670a1e63695628
[INFO] running `Command { std: "docker" "start" "-a" "f66f0ca9dd2e4e0aaa80ca50de28bfc29c2bd8a21d7c7e8e4f670a1e63695628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f66f0ca9dd2e4e0aaa80ca50de28bfc29c2bd8a21d7c7e8e4f670a1e63695628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f66f0ca9dd2e4e0aaa80ca50de28bfc29c2bd8a21d7c7e8e4f670a1e63695628", kill_on_drop: false }`
[INFO] [stdout] f66f0ca9dd2e4e0aaa80ca50de28bfc29c2bd8a21d7c7e8e4f670a1e63695628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6cf202f24e7a82d5caa69ec3f03dd82edb5e88abf49054aedc4ed7d1290cac0
[INFO] running `Command { std: "docker" "start" "-a" "a6cf202f24e7a82d5caa69ec3f03dd82edb5e88abf49054aedc4ed7d1290cac0", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking deschiffres v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "a6cf202f24e7a82d5caa69ec3f03dd82edb5e88abf49054aedc4ed7d1290cac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6cf202f24e7a82d5caa69ec3f03dd82edb5e88abf49054aedc4ed7d1290cac0", kill_on_drop: false }`
[INFO] [stdout] a6cf202f24e7a82d5caa69ec3f03dd82edb5e88abf49054aedc4ed7d1290cac0
[INFO] checking romuald/deschiffres against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromuald%2Fdeschiffres" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/romuald/deschiffres on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/romuald/deschiffres
[INFO] finished tweaking git repo https://github.com/romuald/deschiffres
[INFO] tweaked toml for git repo https://github.com/romuald/deschiffres written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/romuald/deschiffres already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f88786395451dfe1df5e5d83cc24ee3faac9c99dd0949b1765707dfeb24741c9
[INFO] running `Command { std: "docker" "start" "-a" "f88786395451dfe1df5e5d83cc24ee3faac9c99dd0949b1765707dfeb24741c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f88786395451dfe1df5e5d83cc24ee3faac9c99dd0949b1765707dfeb24741c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88786395451dfe1df5e5d83cc24ee3faac9c99dd0949b1765707dfeb24741c9", kill_on_drop: false }`
[INFO] [stdout] f88786395451dfe1df5e5d83cc24ee3faac9c99dd0949b1765707dfeb24741c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e83b084b51ad1c8dfa918d707bc2864c4a74dc3d663498fe4f24a447b7352edb
[INFO] running `Command { std: "docker" "start" "-a" "e83b084b51ad1c8dfa918d707bc2864c4a74dc3d663498fe4f24a447b7352edb", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking deschiffres v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "e83b084b51ad1c8dfa918d707bc2864c4a74dc3d663498fe4f24a447b7352edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83b084b51ad1c8dfa918d707bc2864c4a74dc3d663498fe4f24a447b7352edb", kill_on_drop: false }`
[INFO] [stdout] e83b084b51ad1c8dfa918d707bc2864c4a74dc3d663498fe4f24a447b7352edb